edit docker steps

.github/workflows/tests.yaml

@@ -14,18 +14,23 @@ jobs:
     name: Docker build test
     runs-on: ubuntu-20.04
     steps:
-      - name: Checkout repo
+      - name: ⏹️ Cancel previous runs
+        uses: pierreraffa/[email protected]
+      - name: ⬇️ Checkout repo
         uses: actions/checkout@v4
         with:
           ref: 'artifact'
-      - name: Sanity check
+      - name: 🌲 Environment check
         run: ls -l && docker --version
-#      - name: Set up QEMU
-#        uses: docker/setup-qemu-action@v3
-#      - name: Set up Docker Buildx
-#        uses: docker/setup-buildx-action@v3
-#      - name: Build
-#        uses: docker/build-push-action@v6
+      - name: ⚫ Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: 🐳 Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: 🛠️ Build
+        uses: docker/build-push-action@v6
+        with:
+          file: Dockerfile
+          load: true
 
   exec_test:
     name: Runtime test